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Data Processing: Vehicles, Navigation, And Relative Location > Vehicle Control, Guidance, Operation, Or Indication > With Indicator Or Control Of Power Plant (e.g., Performance) > Internal-combustion Engine > Digital Or Programmed Data Processor > Control Of Air/fuel Ratio Or Fuel Injection > Exhaust Gas Circulation (egc) Exhaust Gas Circulation (egc)Exhaust Gas Circulation (egc) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/26/06 - 20060241849 - Intake oxygen estimator for internal combustion engine An internal combustion engine system includes an intake manifold, a combustion chamber, an exhaust manifold and exhaust gas recirculation apparatus for recirculating a portion of the exhausted gases from the exhaust manifold to the intake manifold. An estimate intake manifold oxygen concentration is determined from the air fraction within the ... 10/19/06 - 20060235603 - Cylinder inflow exhaust gas amount calculation system of internal combustion engine and intake passage inflow exhaust gas amount calculation system of internal combustion engine A cylinder inflow exhaust gas amount calculation system of an internal combustion engine provided with an intake passage, an exhaust passage, an exhaust gas recirculation passage connecting the intake passage and exhaust passage, and an exhaust gas flow rate control valve arranged in the exhaust gas recirculation passage for controlling ... 08/10/06 - 20060178801 - Process and device for protection of temperature-sensitive components in the intake area of an internal combustion engine with exhaust recirculation In order to reduce fuel consumption and exhaust gas emissions in an internal combustion engine, diesel as well as spark-ignition engines, on the one hand by means of exhaust gas recirculation, but on the other to be able to use temperature-sensitive intake manifolds of economical plastics, a temperature sensor (12) ... 07/27/06 - 20060167613 - Method for determining an exhaust gas recirculation quantity for an internal combustion engine provided with exhaust gas recirculation In a method of determining the quantity of exhaust gas recirculation for an internal combustion engine having exhaust gas recirculation, the exhaust gas recirculation quantity (rAGR, mAGR) is determined from an exhaust gas temperature (Texhaust), a fresh gas temperature (Tair2), a fresh gas quantity (mair) and/or a volumetric efficiency (η). ... 07/20/06 - 20060161333 - Control system of internal combustion engine A control system of an internal combustion engine provided with a throttle valve passage air flow calculation equation by which the throttle valve passage air flow mt is expressed as a function of the downstream side intake pipe pressure at the downstream side of the throttle valve and a cylinder ... 07/20/06 - 20060161332 - Method for determing a change in air consumption for a combustion engine This invention relates to a method for determination of a change in volumetric efficiency for an internal combustion engine, whereby a reference volumetric efficiency is determined in advance, a first prevailing volumetric efficiency which corresponds to a sensor error is determined at a first measurement point (M1, L1) in a ... 06/22/06 - 20060136116 - Method and device for engine control in a motor vehicle A method for engine control in a motor vehicle is specified, in particular a method for controlling a combustion engine in a motor vehicle, namely for optimally adjusting a quantity of exhaust gas, which is recirculated, in an exhaust gas recirculation branch, from an exhaust manifold situated after the engine ... 03/30/06 - 20060069494 - Method for obtaining exhaust gas flow quantity, exhaust gas flow measurement apparatus, and exhaust gas recirculation control system An exhaust recirculation control system of the internal combustion engine computes an oxygen concentration in total intake air containing recirculation exhaust gas in a cylinder and the ratio between an oxygen quantity in the total intake air and a fuel injection quantity (oxygen quantity/fuel injection quantity ratio). The computed values ... 02/02/06 - 20060025919 - Secondary airflow system for engine exhaust emission diagnostics In one example, a system for an engine having an intake system and an exhaust system is described. The system comprises: an airflow sensor coupled to the intake system; an air pump having at least an inlet side and an outlet side, said inlet side having a first coupling to ... 12/22/05 - 20050283301 - Exhaust valve drive control method and device The present invention provides a method for controlling a closing operation of an exhaust valve (11) in an internal combustion engine. A current position X0 of the exhaust valve (11) and a rotation speed Ne of the internal combustion engine are determined, and on the basis of the current position ... 12/01/05 - 20050267670 - Method for monitoring a particle filter A particle filter is monitored with a sequence of steps. A pressure loss at the particle filter is measured. The volumetric flow of exhaust gas is acquired and a filter load value is calculated from the pressure loss and the volumetric flow of exhaust gas. The filter load value is ... 11/10/05 - 20050251318 - Method for metering a reagent for the emission control of internal combustion engines and device for executing the method A method for metering a reagent which an emission control device situated in the exhaust duct of an internal combustion engine requires for removing at least one exhaust gas component from the exhaust gas and a device for executing the method are described. The fluid level of the reagent stored ... 10/13/05 - 20050228573 - Multivariable actuator control for an internal combustion engine A system and method for controlling a plurality of control-coupled charge-handling actuators for an internal combustion engine has a multivariable controller responsive to a plurality of engine parameter inputs and effective to provide a plurality of position control signals to the charge handling actuators. Coupling effects of the charge-handling actuator ... 10/13/05 - 20050228572 - Catalyst temperature modelling during exotermic operation A method and a calculating device are for modeling the temperature of a catalytic converter in the exhaust gas of an internal combustion engine. In this context, the heat input into the catalytic converter based on exothermic reactions is taken into consideration. The method provides that a first correcting quantity ... 09/29/05 - 20050216174 - Controlling an engine operating parameter during transients in a control data input by selection of the time interval for calculating the derivative of the control data input Desired engine fueling data FQL_MFD_TQL is processed by a derivative variable time function (40) embodied in an algorithm to develop a data value EGR_MFD_DER representing the time derivative of desired fueling. The algorithm comprises certain selectable parameters (EGR_DTS, EGR_MFD_KF, EGR_MFD_KD). An iteration of the algorithm includes processing FQL_MFD_TQL according to ... 07/14/05 - 20050154523 - Exhaust gas purification system of internal combustion engine An exhaust gas purification system determines a deposited state of particulate matters based on a differential pressure across a diesel particulate filter (DPF) sensed by a differential pressure sensor. An electronic control unit (ECU) of the system prohibits the determination of the deposited state of the particulate matters, which is ... 06/30/05 - 20050143899 - Filter regeneration control A regeneration control device which regenerates a filter (4) which traps particulate matter in the exhaust gas of an engine (1) is disclosed. The regeneration control device includes a first temperature sensor (16, 17), which detects one of an upstream temperature and a downstream temperature upstream and downstream of the ... 06/16/05 - 20050131620 - Control system There is described a method for controlling a system, for example a Diesel engine, that is subject to transient changes of target outputs. The target outputs specify outputs required from the system. “Steady state” information is used to give optimum inputs for the system when the target outputs are substantially ... ### FreshPatents.com Support |